91. Valve Rocker Arm Cover Installation - Left Side

Valve Rocker Arm Cover Installation - Left





1. Important: All gasket-mating surfaces need to be free of oil and foreign material. Use GM P/N 12346139 (Canadian P/N 10953463) or equivalent to clean surfaces.

Install the valve rocker arm cover gasket into the valve rocker arm cover.





2. Apply sealer GM P/N 12378521 (Canadian P/N 88901148) or equivalent to the surfaces where the cylinder head and intake manifold meet (1).
3. Install the valve rocker arm cover.

4. Notice: Refer to Fastener Notice in Service Precautions.

Install the valve rocker arm cover bolts, if necessary.
^ Tighten the valve rocker arm cover bolts to 10 Nm (89 inch lbs.).





5. Install the fresh air tube.